Topic model for online communities’ interests prediction
نویسندگان
چکیده
منابع مشابه
Online topic model for Twitter considering dynamics of user interests and topic trends
Latent Dirichlet allocation (LDA) is a topic model that has been applied to various fields, including user profiling and event summarization on Twitter. When LDA is applied to tweet collections, it generally treats all aggregated tweets of a user as a single document. Twitter-LDA, which assumes a single tweet consists of a single topic, has been proposed and has shown that it is superior in top...
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Increasing numbers of patients are using online communities to seek support by posting personal stories and requesting information. To leverage this trend, we investigated Natural Language Processing (NLP) tools for extracting users’ health interests from online communities. We identified relevant semantic types of the Unified Medical Language System (UMLS) for online communities. The results s...
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In recommender systems, modeling user interest is a basic step to understand user's personal features. Traditional methods mostly just use the items that the target users navigated as their interests, which makes the inherent information unclear to the system and thus the recommendations are not intelligent enough. In this paper, we investigate the utility of topic model called LDA for the task...
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Conspiracy theories play a troubling role in political discourse. Online forums provide a valuable window into everyday conspiracy theorizing, and can give a clue to the motivations and interests of those who post in such forums. Yet this online activity can be difficult to quantify and study. We describe a unique approach to studying online conspiracy theorists which used non-negative matrix f...
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Persons who engage in non-suicidal self-injury (NSSI), often conceal their practices which limits the examination and understanding of those who engage in NSSI. The goal of this research is to utilize public online social networks (namely, in LiveJournal, a major blogging network) to observe the NSSI populations communication in a naturally occurring setting. Specifically, LiveJournal users can...
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ژورنال
عنوان ژورنال: Procedia Computer Science
سال: 2019
ISSN: 1877-0509
DOI: 10.1016/j.procs.2019.08.196